<template>
    <div class="user">
        <el-row>
            <el-col :span="24">
                <el-breadcrumb separator="/">
                    <el-breadcrumb-item :to="{ path: '/' }">首页</el-breadcrumb-item>
                    <el-breadcrumb-item><a href="/">用户管理</a></el-breadcrumb-item>
                    <el-breadcrumb-item>用户列表</el-breadcrumb-item>
                </el-breadcrumb>
            </el-col>
        </el-row>
        <el-row>
            <el-col :span="24">
                <!-- 如果不是给原生dom绑定事件，那么需要加.native -->
                <el-input placeholder="请输入内容" class="search-input" v-model="query" @keydown.native.enter="initList">
                    <el-button slot="append" icon="el-icon-search" @click="initList"></el-button>
                </el-input>
                <el-button type="success" plain @click="addDialogFormVisible=true">添加用户</el-button>
            </el-col>
        </el-row>
        <el-table
            class="margin-20"
            v-loading="loading"
            :data="userList"
            border
            style="width: 100%">
            <el-table-column
                type="index"
                width="50">
            </el-table-column>
            <el-table-column
            prop="username"
            label="姓名"
            width="180">
            </el-table-column>
            <el-table-column
            prop="email"
            label="邮箱"
            width="180">
            </el-table-column>
            <el-table-column
            prop="mobile"
            label="电话">
            </el-table-column>
            <el-table-column label="用户状态">
                <template slot-scope="scope">
                   <el-switch v-model="scope.row.mg_state" @change="changeUserState(scope.row)">
                   </el-switch>
                </template>
            </el-table-column>
             <el-table-column label="操作">
                <template slot-scope="scope">
                    <el-button size="mini" icon="el-icon-edit" type="primary" plain @click="showEditForm(scope.row)"></el-button>
                    <el-button size="mini" type="danger" icon="el-icon-delete" @click="delForm(scope.row)"></el-button>
                    <el-button size="mini" type="warning" icon="el-icon-check"  @click="showGrantUser(scope.row)"></el-button>
                </template>
            </el-table-column>
        </el-table>
        <!-- 此处有一个bug -->
        <div class="page">
         <el-pagination
           @size-change="handleSizeChange"
           @current-change="handleCurrentChange"
           :current-page="1"
           :page-sizes="[1, 2, 3, 4]"
           :page-size="4"
           layout="total, sizes, prev, pager, next, jumper"
           :total="total">
         </el-pagination>
        </div>
        <el-dialog title="添加用户" :visible.sync="addDialogFormVisible">
            <el-form :model="addForm" label-width="80px" :rules="rules" ref="addUserForm">
                <el-form-item label="用户名" prop="username">
                <el-input v-model="addForm.username" autocomplete="off"></el-input>
                </el-form-item>
                <el-form-item label="密码" prop="password">
                <el-input v-model="addForm.password" autocomplete="off"></el-input>
                </el-form-item>
                <el-form-item label="邮箱" prop="email">
                <el-input v-model="addForm.email" autocomplete="off"></el-input>
                </el-form-item>
                <el-form-item label="电话" prop="mobile">
                <el-input v-model="addForm.mobile" autocomplete="off"></el-input>
                </el-form-item>
            </el-form>
            <div slot="footer" class="dialog-footer">
                <el-button @click="addDialogFormVisible = false">取 消</el-button>
                <el-button type="primary" @click="addUserSubmit('addUserForm')">确 定</el-button>
            </div>
        </el-dialog>
          <el-dialog title="编辑用户" :visible.sync="editDialogFormVisible">
            <el-form :model="editForm" label-width="80px" :rules="rules" ref="editUserForm">
                <el-form-item label="用户名" prop="username">
                <el-input v-model="editForm.username" autocomplete="off"  disabled="true"></el-input>
                </el-form-item>
                <el-form-item label="邮箱" prop="email">
                <el-input v-model="editForm.email" autocomplete="off"></el-input>
                </el-form-item>
                <el-form-item label="电话" prop="mobile">
                <el-input v-model="editForm.mobile" autocomplete="off"></el-input>
                </el-form-item>
            </el-form>
            <div slot="footer" class="dialog-footer">
                <el-button @click="editDialogFormVisible = false">取 消</el-button>
                <el-button type="primary" @click="editUserSubmit('editUserForm')">确 定</el-button>
            </div>
        </el-dialog>
        <!-- 分配用户角色 -->
        <el-dialog title="分配用户" :visible.sync="grantDialogFormVisible">
            <el-form :model="grantForm" label-width="120px">
              <el-form-item label="当前的用户:" prop="username">
                <el-tag type="info">{{grantForm.username}}</el-tag>
              </el-form-item>
              <el-form-item label="请选择角色:">
                <el-select v-model="roleId" placeholder="请选择角色">
                  <el-option
                  v-for="(role,index) in roleList"
                  :key="index"
                  :label="role.roleName"
                  :value="role.id"></el-option>
                </el-select>
              </el-form-item>
            </el-form>
            <div slot="footer" class="dialog-footer">
                <el-button @click="grantDialogFormVisible = false">取 消</el-button>
                <el-button type="primary" @click="grantUserSubmit()">确 定</el-button>
            </div>
        </el-dialog>
    </div>
</template>
<script>
import {getUserList, changeUserState, addUser, editUser, editUserEnd, delUser, getRoleList, grantUserRole} from '@/api'
export default {
  data () {
    return {
      userList: [],
      value3: '',
      query: '',
      total: 0,
      pagesize: 4,
      pagenum: 1,
      addForm: {
        username: '',
        password: '',
        email: '',
        mobile: ''
      },
      editForm: {
        username: '',
        email: '',
        mobile: '',
        id: 0
      },
      loading: true,
      addDialogFormVisible: false,
      editDialogFormVisible: false,
      grantDialogFormVisible: false,
      grantForm: {
        username: '',
        region: ''
      },
      roleList: [],
      roleId: '',
      rules: {
        username: [
          { required: true, message: '请输入用户名', trigger: 'blur' }
        ],
        password: [
          { required: true, message: '请输入密码', trigger: 'blur' }
        ],
        email: [
          { required: true, message: '请输入邮箱地址', trigger: 'blur' },
          { type: 'email', message: '请输入正确的邮箱地址', trigger: 'blur,change' }
        ],
        mobile: [
          { required: true, message: '电话不能为空' }
        ]
      }
    }
  },
  created () {
    this.initList()
  },
  methods: {
    handleSizeChange (val) {
      this.pagesize = val
      this.initList()
    },
    handleCurrentChange (val) {
      this.pagenum = val
      this.initList()
    },
    // 修改用户状态
    changeUserState (row) {
      changeUserState({uid: row.id, type: row.mg_state}).then(res => {
        if (res.meta.status === 200) {
          this.$message({
            type: 'seccess',
            message: '修改用户状态成功'
          })
        } else {
          this.$message({
            type: 'error',
            message: '修改用户状态失败'
          })
        }
      })
    },
    // 添加用户
    addUserSubmit (formName) {
      this.$refs[formName].validate(valid => {
        if (valid) {
          addUser(this.addForm).then(res => {
            console.log(res)
            if (res.meta.status === 201) {
              this.$message({
                type: 'success',
                message: '添加成功'
              })
              this.addDialogFormVisible = false
              this.initList()
            } else {
              this.$message({
                type: 'warning',
                message: '添加失败'
              })
            }
          })
        }
      })
    },
    // 根据用户id查询用户
    showEditForm (row) {
      this.editDialogFormVisible = true
      editUser(row.id).then(res => {
        this.editForm.username = res.data.username
        this.editForm.email = res.data.email
        this.editForm.mobile = res.data.mobile
        this.editForm.id = res.data.id
      })
    },
    // 编辑用户
    editUserSubmit (formName) {
      this.$refs[formName].validate(valid => {
        if (valid) {
          editUserEnd(this.editForm).then(res => {
            if (res.meta.status === 200) {
              this.$message({
                type: 'success',
                message: '修改成功'
              })
              this.editDialogFormVisible = false
              this.initList()
            } else {
              this.$message({
                type: 'warning',
                message: '编辑失败'
              })
            }
          })
        }
      })
    },
    // 删除用户
    delForm (row) {
      this.$confirm('此操作将永久删除该用户, 是否继续?', '提示', {
        confirmButtonText: '确定',
        cancelButtonText: '取消',
        type: 'warning'
      }).then(() => {
        delUser(row.id).then(res => {
          if (res.meta.status === 200) {
            this.$message({
              type: 'success',
              message: '删除成功!'
            })
            this.initList()
          }
        })
      }).catch(() => {
        this.$message({
          type: 'info',
          message: '已取消删除'
        })
      })
    },
    // 分配用户角色
    showGrantUser (row) {
      this.grantDialogFormVisible = true
      this.grantForm = row
      getRoleList().then(res => {
        console.log(res)
        this.roleList = res.data
      })
    },
    grantUserSubmit () {
      if (!this.roleId) {
        this.$message({
          type: 'warning',
          message: '角色不能为空，请选择！'
        })
      } else {
        grantUserRole({id: this.grantForm.id, rid: this.roleId}).then(res => {
          if (res.meta.status === 200) {
            this.$message({
              type: 'success',
              message: '分配成功'
            })
            this.grantDialogFormVisible = false
          } else {
            this.$message({
              type: 'warning',
              message: '分配失败'
            })
          }
        })
      }
    },
    initList () {
      getUserList({params: {query: this.query, pagenum: this.pagenum, pagesize: this.pagesize}}).then(res => {
        this.userList = res.data.users
        this.total = res.data.total
        this.loading = false
      })
    }
  }
}
</script>

<style  lang="scss" rel="stylesheet/scss" scoped>
.user {
  .margin-20 {
    margin: 20px 0;
  }
  .search-input {
    width: 300px;
  }
  .page {
    padding: 5px 0;
    background-color: #D3DCE6;
  }
}
</style>
